18.11.01 - pierwiastki od 1 do 10, liczba atomowa, liczba masowa zaokrąglona

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Question		Answer
Wodór start learning		H - 1 - 1
Hel start learning		He - 2 - 4
Lit start learning		Li - 3 - 7
Beryl start learning		Be - 4 - 9
Bor start learning		B - 5 - 11
Węgiel start learning		C - 6 - 12
Azot start learning		N - 7 - 14
Tlen start learning		O - 8 - 16
Fluor start learning		F - 9 - 19
Neon start learning		Ne - 10 - 20

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